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38857113101 is a prime number
BaseRepresentation
bin100100001100000100…
…000111111000001101
310201022000111212102002
4210030010013320031
51114034410104401
625503430442045
72543626004012
oct441404077015
9121260455362
1038857113101
111552a911214
127645203325
133883367021
141c488a7709
1510264cda6b
hex90c107e0d

38857113101 has 2 divisors, whose sum is σ = 38857113102. Its totient is φ = 38857113100.

The previous prime is 38857113019. The next prime is 38857113103. The reversal of 38857113101 is 10131175883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33370155625 + 5486957476 = 182675^2 + 74074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38857113101 is a prime.

Together with 38857113103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38857113103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19428556550 + 19428556551.

It is an arithmetic number, because the mean of its divisors is an integer number (19428556551).

Almost surely, 238857113101 is an apocalyptic number.

It is an amenable number.

38857113101 is a deficient number, since it is larger than the sum of its proper divisors (1).

38857113101 is an equidigital number, since it uses as much as digits as its factorization.

38857113101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

Adding to 38857113101 its reverse (10131175883), we get a palindrome (48988288984).

The spelling of 38857113101 in words is "thirty-eight billion, eight hundred fifty-seven million, one hundred thirteen thousand, one hundred one".